Correction device for photovoltaic modules

Abstract

This utility model relates to the field of photovoltaic module technology, specifically providing a correction device for photovoltaic modules, aiming to solve the problem of how to avoid deviations in correction caused by incoming material errors. To this end, the correction device for photovoltaic modules of this utility model includes a correction wheel, a first transfer mechanism, an elastic structure, and a position detection component. The first transfer mechanism includes a moving part; the moving part is connected to the correction wheel through the elastic structure. The first transfer mechanism is configured to drive the correction wheel to move and abut against the side of the photovoltaic module, thereby forcing the elastic structure to deform. The position detection component is configured to detect the actual position of the correction wheel, so as to determine the deviation size of the photovoltaic module based on the actual position and the preset position of the correction wheel. The correction device of this utility model can determine the deviation size of the photovoltaic module and adjust the correction size according to the deviation size to improve the correction accuracy, and also improve the working accuracy of subsequent processes.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module technology, and specifically provides a correction device for photovoltaic modules. Background Technology

[0002] In the production process of photovoltaic modules, the alignment process is a key process to ensure that components such as glass, solar cells, and backsheets are precisely aligned according to their designed positions.

[0003] When aligning photovoltaic (PV) modules, they are typically aligned according to pre-defined standard dimensions. However, if there are errors in the incoming materials, adhering to the standard dimensions will lead to alignment deviations. For example, when aligning the glass for PV modules, if there are errors in the incoming glass, aligning it according to the standard dimensions will result in deviations. This will cause discrepancies in the distance between the butyl sealant and the glass edge during the subsequent adhesive application process. Consequently, the butyl sealant may be applied directly to the adhesive film or be too far from the film, failing to meet process requirements and potentially leading to risks such as adhesive penetration or air bubbles after lamination. Utility Model Content

[0004] The present invention aims to solve the above-mentioned technical problem, namely, how to avoid the deviation of correction caused by the error of incoming materials.

[0005] This utility model provides a correction device for photovoltaic modules. The correction device includes: a correction wheel; a first transfer mechanism, the first transfer mechanism including a moving part; an elastic structure, the moving part being connected to the correction wheel through the elastic structure, the first transfer mechanism being configured to drive the correction wheel to move and abut against the side of the photovoltaic module, thereby forcing the elastic structure to deform; and a position detection component, the position detection component being configured to detect the actual position of the correction wheel, so as to determine the deviation size of the photovoltaic module based on the actual position and a preset position of the correction wheel.

[0006] When the above technical solution is adopted, when the moving part moves to the set position according to the preset standard size of the photovoltaic module, the correction wheel, driven by the moving part, abuts against the side of the photovoltaic module, forcing the elastic structure to deform. The elastic structure allows the correction wheel to change position along with the edge of the photovoltaic module it abuts against. The actual position of the correction wheel is then detected by the position detection component, and the deviation size of the photovoltaic module is determined based on the actual position and the preset position of the correction wheel. Based on the deviation size, the actual size of the photovoltaic module can be determined, and the correction size can be adjusted to improve the correction accuracy, thereby improving the working accuracy of subsequent processes. Furthermore, the working parameters of subsequent processes can be adjusted based on the deviation size to further improve the working accuracy of subsequent processes. Taking the correction of the glass of the photovoltaic module as an example, adjusting the correction size according to the deviation size can improve the correction accuracy of the glass, thereby improving the glue application quality of the butyl sealant application process. The glue application path can also be adjusted based on the deviation size, further improving the glue application quality.

[0007] In the specific embodiment of the above-mentioned correction device for photovoltaic modules, the position detection component is configured as a magnetic scale, the magnetic scale includes a magnetic ruler and a reading head movably connected to the magnetic ruler, and the reading head is fixedly connected to the correction wheel.

[0008] When the above technical solution is adopted, the magnetic grating ruler has high measurement accuracy, so it can detect the actual position of the correction wheel more accurately, thereby obtaining a more accurate deviation size, so as to improve the working accuracy of the correction process and subsequent processes. At the same time, compared with detecting the actual position of the correction wheel by a camera, the magnetic grating ruler does not require a light source, occupies less space, and has a lower cost.

[0009] In the specific embodiment of the above-described correction device for photovoltaic modules, the position detection component further includes a connecting rod, and the correction wheel and the reading head are fixedly connected through the connecting rod.

[0010] When the above technical solution is adopted, the alignment wheel and the reading head are fixedly connected by a connecting rod. Compared with the direct connection between the alignment wheel and the reading head, the arrangement of the alignment wheel and the reading head can be facilitated, while avoiding interference with other components.

[0011] In the specific embodiment of the above-mentioned correction device for photovoltaic modules, the first transfer mechanism is configured as a first cylinder, the first cylinder includes a first cylinder body and a first piston rod, the first piston rod is movably connected to the first cylinder body, and the moving part is configured as the first piston rod.

[0012] When the above technical solution is adopted, by setting the first transfer mechanism as the first cylinder, it can drive the correction wheel to move stably and provide a stable extrusion force for the deformation of the elastic structure. It can also adjust the magnitude of the extrusion force according to the usage requirements.

[0013] In the specific embodiment of the above-described correction device for photovoltaic modules, the elastic structure is sleeved outside the first piston rod; and / or the first transfer mechanism is configured as a stroke-adjustable cylinder.

[0014] By employing the above technical solution, by sleeved the elastic structure outside the first piston rod, the first piston rod, when driving the correction wheel, can prevent the elastic structure from warping or even bending radially during deformation. This prevents the correction wheel connected to the elastic structure from shifting, thereby improving the accuracy of the deviation dimension and preventing damage or failure of the elastic structure. By adjusting the stroke of the adjustable cylinder, the correction device can correct photovoltaic modules of different sizes and specifications. Furthermore, before or after correction, the correction wheel can also be used to align the photovoltaic modules, and the adjustable cylinder can adjust the alignment dimension by adjusting its stroke.

[0015] In the specific embodiment of the above-mentioned correction device for photovoltaic modules, the correction device further includes a mounting frame, the correction wheel is fixedly connected to the mounting frame, one end of the elastic structure is fixedly connected to the mounting frame, and the other end is fixedly connected to the first piston rod, the first piston rod passes through the mounting frame and is movably connected to the mounting frame.

[0016] When the above technical solution is adopted, the correction wheel is connected to the first piston rod through the mounting bracket, which facilitates the arrangement of the correction wheel, the first piston rod and the elastic structure.

[0017] In a specific embodiment of the above-described correction device for photovoltaic modules, the correction device further includes a controller, which is communicatively connected to the position detection component. The controller is used to determine the deviation size of the photovoltaic module based on the actual position and the preset position.

[0018] When the above technical solution is adopted, the controller can determine the deviation size of the photovoltaic module based on the actual position measured by the position detection component.

[0019] In a specific embodiment of the above-described correction device for photovoltaic modules, the correction device further includes a reference wheel, which is adapted to be disposed on opposite sides of the photovoltaic module in a one-to-one correspondence with the correction wheel.

[0020] When the above technical solution is adopted, the reference wheel is used to position the photovoltaic module. The photovoltaic module is clamped between the reference wheel and the correction wheel, which makes it easy to determine the deviation size. At the same time, compared with setting correction wheels on both sides of the photovoltaic module, the cost of the correction device can be effectively reduced without affecting the determination of the deviation size.

[0021] In the specific embodiment of the above-mentioned correction device for photovoltaic modules, the correction wheel includes an axle and a wheel body. The wheel body is sleeved outside the axle and rotatably connected to the axle. The wheel body is adapted to abut against the side of the photovoltaic module.

[0022] With the above technical solution, compared to the fixed connection between the wheel body and the axle, the correction wheel can roll with the movement of the photovoltaic module, avoiding damage to the photovoltaic module. It can also reduce the friction between the correction wheel and the photovoltaic module, and prevent the correction wheel from shaking and affecting the accuracy of the deviation size.

[0023] In a specific embodiment of the above-described correction device for photovoltaic modules, the correction device further includes a second transfer mechanism, which is connected to the moving part and configured to drive the correction wheel to move along the thickness direction of the photovoltaic module; and / or the elastic structure is configured as a compression spring.

[0024] With the above technical solution, the second transfer mechanism drives the correction wheel to move along the thickness direction of the photovoltaic module. When not correcting, the second transfer mechanism moves the correction wheel downwards; during correction, it moves the correction wheel upwards to a height that allows it to contact the side of the photovoltaic module, ensuring the accuracy of the deviation dimensions. A compression spring transmits the compressive force of the moving part to the correction wheel, causing it to contact the side of the photovoltaic module. It also possesses good compressibility, allowing the correction wheel to move with the side of the photovoltaic module under the contact action.

[0025] Compared to existing technologies, the beneficial effects of the correction device for photovoltaic modules provided by this utility model are as follows: When the moving part moves to the set position according to the preset standard size of the photovoltaic module, the correction wheel, driven by the moving part, abuts against the side of the photovoltaic module, forcing the elastic structure to deform. The elastic structure allows the correction wheel to change position along with the edge of the photovoltaic module it abuts against. Then, the position detection component detects the actual position of the correction wheel, and the deviation size of the photovoltaic module is determined based on the actual position and the preset position of the correction wheel. Based on the deviation size, the actual size of the photovoltaic module can be determined, and the correction size can be adjusted to improve the correction accuracy, thereby improving the working accuracy of subsequent processes. Furthermore, the working parameters of subsequent processes can be adjusted based on the deviation size to further improve the working accuracy of subsequent processes. Taking the correction of the glass of a photovoltaic module as an example, adjusting the correction size according to the deviation size can improve the correction accuracy of the glass, thereby improving the glue application quality of the butyl sealant application process. The glue application path can also be adjusted based on the deviation size, further improving the glue application quality. Attached Figure Description

[0026] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0027] Figure 1 This is a schematic diagram of the overall structure of the correction device for photovoltaic modules according to this utility model.

[0028] Figure 2 This is a partial structural schematic diagram of the correction device for photovoltaic modules according to this utility model;

[0029] Figure 3 This is a structural schematic diagram of the position detection component of this utility model.

[0030] Figure label:

[0031] 1-Correction wheel, 2-First transfer mechanism, 3-Elastic structure, 4-Position detection component, 5-Connecting rod, 6-Mounting frame, 7-Reference wheel, 8-Second transfer mechanism, 9-Photovoltaic module, 11-Axle, 12-Wheel body, 21-First cylinder, 22-First piston rod, 41-Magnetic scale, 42-Reading head, 61-First mounting plate, 62-Second mounting plate. Detailed Implementation

[0032] Some embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0033] It should be noted that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the relevant device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0034] Furthermore, it should be noted that in the description of this utility model, ordinal numbers such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. In addition, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can also refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] See Figures 1-3 This utility model provides a correction device for a photovoltaic module 9. The correction device includes a correction wheel 1, a first transfer mechanism 2, an elastic structure 3, and a position detection component 4. The first transfer mechanism 2 includes a moving part. The moving part is connected to the correction wheel 1 through the elastic structure 3. The first transfer mechanism 2 is configured to drive the correction wheel 1 to move and make it abut against the side of the photovoltaic module 9, so as to force the elastic structure 3 to deform. The position detection component 4 is configured to detect the position of the correction wheel 1. Based on the above structural configuration, when the moving part moves to the set position according to the preset standard size of the photovoltaic module 9, the correction wheel 1 abuts against the side of the photovoltaic module 9 under the drive of the moving part, and forces the elastic structure 3 to deform. The setting of the elastic structure 3 allows the correction wheel 1 to change position with the edge of the photovoltaic module 9 it abuts against. Then, the position detection component 4 detects the actual position of the correction wheel 1, and determines the deviation size of the photovoltaic module 9 based on the actual position and the preset position of the correction wheel 1. Based on the deviation size, the actual size of the photovoltaic module 9 can be determined, and the correction size can be adjusted according to the deviation size to improve the correction accuracy, thereby improving the working accuracy of subsequent processes. At the same time, the working parameters of subsequent processes can also be adjusted according to the deviation size to further improve the working accuracy of subsequent processes.

[0036] Taking the correction of the glass of photovoltaic module 9 as an example, adjusting the correction dimension according to the deviation dimension can improve the correction accuracy of the glass, thereby improving the glue application quality of the butyl sealant application process. Furthermore, adjusting the glue application path according to the deviation dimension can further improve the glue application quality. For example, assuming the preset standard glass width is 1326mm, under standard size conditions, the preset position of the correction wheel 1 measured by the position detection component 4 is 5mm; when the correction device corrects the glass, the actual position of the correction wheel 1 measured is 4mm, which determines the glass deviation dimension as 4-5=-1mm, and thus the actual width of the glass as 1326+(-1)=1325mm. Wherein, after the moving part moves to the set position according to the preset standard size of photovoltaic module 9, the position of the correction wheel 1 in the natural state of the elastic structure 3 without force is recorded as the initial position. The specific values ​​of the preset position and the actual position are both distance values ​​between the preset position and the initial position.

[0037] It should be noted that the alignment device can be used to align the glass of the photovoltaic module 9, as well as the solar cells, backsheet, and other components of the photovoltaic module 9.

[0038] like Figures 1-3 As shown, in one or more embodiments, the position detection component 4 is configured as a magnetic scale, which includes a magnetic scale 41 and a reading head 42 movably connected to the magnetic scale 41. The reading head 42 is fixedly connected to the correction wheel 1. Based on the above structural configuration, since the magnetic scale has high measurement accuracy, it can more accurately detect the actual position of the correction wheel 1, thereby obtaining a more accurate deviation size, so as to improve the working accuracy of the correction process and subsequent processes. At the same time, compared with detecting the actual position of the correction wheel 1 through a camera, the magnetic scale does not require a light source, occupies less space, and has a lower cost.

[0039] Those skilled in the art will understand that the position detection component 4 can also be configured as a grating ruler, which includes a scale and a reading head movably connected to the scale, the reading head being fixedly connected to the correction wheel 1. The position detection component 4 can also be configured as other position measuring devices, which can be adjusted as needed by those skilled in the art.

[0040] Furthermore, the position detection component 4 also includes a connecting rod 5, through which the correction wheel 1 and the reading head 42 are fixedly connected. Based on the above structural configuration, the connection between the correction wheel 1 and the reading head 42 via the connecting rod 5 is more convenient than a direct connection between the correction wheel 1 and the reading head 42, while avoiding interference with other components.

[0041] like Figure 1 and Figure 2As shown, in one or more embodiments, the first transfer mechanism 2 is configured as a first cylinder, which includes a first cylinder body 21 and a first piston rod 22. The first piston rod 22 is movably connected to the first cylinder body 21, and the moving part is configured as the first piston rod 22. Based on the above structural configuration, by configuring the first transfer mechanism 2 as a first cylinder, the correction wheel 1 can be driven to move stably, and a stable extrusion force can be provided for the deformation of the elastic structure 3. The magnitude of the extrusion force can also be adjusted according to the usage requirements.

[0042] Optionally, the elastic structure 3 is sleeved outside the first piston rod 22. Based on the above structural configuration, by sleeved the elastic structure 3 outside the first piston rod 22, when the first piston rod 22 drives the correction wheel 1 to move, it can also prevent the elastic structure 3 from skewing or even bending radially when it deforms, thereby preventing the correction wheel 1 connected to the elastic structure 3 from shifting, thus improving the accuracy of the deviation dimension, and at the same time preventing the elastic structure 3 from being damaged or failing.

[0043] Optionally, the first transfer mechanism 2 is configured as a stroke-adjustable cylinder. Based on the above structural configuration, by adjusting the stroke of the stroke-adjustable cylinder, the correction device can correct the photovoltaic modules 9 of different sizes and specifications; in addition, before or after correction, the correction wheel 1 can also be used to align the photovoltaic modules 9, and the stroke-adjustable cylinder can also adjust the alignment size by adjusting the stroke.

[0044] Furthermore, the correction device also includes a mounting frame 6, with the correction wheel 1 fixedly connected to the mounting frame 6. One end of the elastic structure 3 is fixedly connected to the mounting frame 6, and the other end is fixedly connected to the first piston rod 22. The first piston rod 22 passes through the mounting frame 6 and is movably connected to it. Based on the above structural configuration, the correction wheel 1 is connected to the first piston rod 22 via the mounting frame 6, which facilitates the arrangement of the correction wheel 1, the first piston rod 22, and the elastic structure 3.

[0045] Possibly, the mounting bracket 6 includes a first mounting plate 61 and a second mounting plate 62 connected to each other, the second mounting plate 62 being perpendicular to the first mounting plate 61, the alignment wheel 1 being connected to the first mounting plate 61, the elastic structure 3 being connected to the second mounting plate 62, and the first piston rod 22 passing through the second mounting plate 62 and being movably connected to the second mounting plate 62.

[0046] Those skilled in the art will understand that the first transfer mechanism 2 can also be configured as a servo electric cylinder or a linear module. Correspondingly, the moving part can be configured as the push rod of the servo electric cylinder or the slider of the linear module, as long as it can drive the correction wheel 1 to move and make it abut against the side of the photovoltaic module 9.

[0047] like Figure 1 and Figure 2As shown, in one or more embodiments, the correction device further includes a controller, which is communicatively connected to the position detection component 4. The controller is used to determine the deviation size of the photovoltaic module 9 based on the actual position and the preset position.

[0048] It should be noted that the controller can be connected to the position detection component 4 via wired connection or wireless connection. The controller can be installed on the first cylinder 21 of the first transfer mechanism 2 or on the platform where the photovoltaic module 9 is placed, as long as the position detection component 4 can send the measured actual position to the controller. The controller can also communicate with the first transfer mechanism 2. After determining the deviation size, the controller can adjust the correction size according to the deviation size and send the adjusted correction size to the first transfer mechanism 2, thereby adjusting the position of the moving part to improve the correction accuracy.

[0049] like Figure 1 and Figure 2 As shown, in one or more embodiments, the correction device further includes a reference wheel 7, which is adapted to be disposed on opposite sides of the photovoltaic module 9 in a one-to-one correspondence with the correction wheel 1. Based on the above structural configuration, the reference wheel 7 is used to position the photovoltaic module 9, clamping the photovoltaic module 9 between the reference wheel 7 and the correction wheel 1, which facilitates the determination of the deviation size. At the same time, compared with setting correction wheels 1 on both sides of the photovoltaic module 9, the cost of the correction device can be effectively reduced without affecting the determination of the deviation size.

[0050] The reference wheel 7 can be fixedly installed on the platform where the photovoltaic module 9 is placed.

[0051] It should be noted that the photovoltaic module 9 has at least one pair of reference wheels 7 and correction wheels 1 on both sides along the length direction, which can be two pairs. It also has at least one pair of reference wheels 7 and correction wheels 1 on both sides along the width direction, which can be one pair.

[0052] like Figure 1 and Figure 2 As shown, in one or more embodiments, the alignment wheel 1 includes an axle 11 and a wheel body 12. The wheel body 12 is sleeved outside the axle 11 and rotatably connected to the axle 11. The wheel body 12 is adapted to abut against the side of the photovoltaic module 9. Based on the above structural configuration, compared to the wheel body 12 being fixedly connected to the axle 11, the alignment wheel 1 can roll as the photovoltaic module 9 moves, avoiding damage to the photovoltaic module 9. It can also reduce the friction between the alignment wheel 1 and the photovoltaic module 9, preventing the alignment wheel 1 from shaking and affecting the accuracy of the deviation dimension.

[0053] The wheel body 12 can be made of materials such as polyurethane or engineering plastics, or it can be made using a rubber coating process to avoid damaging the photovoltaic module 9.

[0054] like Figure 1 and Figure 2 As shown, in one or more embodiments, the correction device further includes a second transfer mechanism 8. The second transfer mechanism 8 is connected to the moving part and configured to drive the correction wheel 1 to move along the thickness direction of the photovoltaic module 9. Based on the above structural configuration, by driving the correction wheel 1 to move along the thickness direction of the photovoltaic module 9 through the second transfer mechanism 8, when not correcting, the second transfer mechanism 8 drives the correction wheel 1 to move downward, and when correcting, the second transfer mechanism 8 drives the correction wheel 1 to move upward to a height position that can abut against the side of the photovoltaic module 9, so as to ensure the accuracy of the deviation dimension.

[0055] Possibly, the second transfer mechanism 8 can be configured as a second cylinder, comprising a second cylinder body and a second piston rod. The second cylinder body is fixedly connected to the second mounting plate 62 of the mounting bracket 6, and the second piston rod is fixedly connected to the correction wheel 1. The second piston rod and the second cylinder body are movably connected along the thickness direction of the photovoltaic module 9 to drive the correction wheel 1 to move along the thickness direction of the photovoltaic module 9. The second transfer mechanism 8 can also be configured as a servo electric cylinder or a linear module, as long as it can drive the correction wheel 1 to move along the thickness direction of the photovoltaic module 9.

[0056] like Figure 1 and Figure 2 As shown, in one or more embodiments, the elastic structure 3 is configured as a compression spring. Based on the above structural configuration, the compression spring can transmit the compressive force of the moving part to the correction wheel 1, so that the correction wheel 1 abuts against the side of the photovoltaic module 9, while having good compressibility, so that the correction wheel 1 can move with the side of the photovoltaic module 9 under the abutment action.

[0057] Those skilled in the art will understand that the elastic structure 3 can also be configured as a tension spring, a gas spring, a rubber spring, or other existing or future structures, as long as it can generate deformation and provide elastic force.

[0058] Specifically, when the elastic structure 3 is configured as a compression spring, the compression spring is compressed when the alignment wheel 1 abuts against the photovoltaic module 9. Specifically, the structure can be configured such that the side of the second mounting plate 62 furthest from the photovoltaic module 9 along the axial direction of the first piston rod 22 is designated as the first side, and the side closest to the photovoltaic module 9 is designated as the second side. A step is provided on the first piston rod 22, and the compression spring is connected between the stepped surface of the step and the first side of the second mounting plate 62. When the elastic structure 3 is configured as a tension spring, the tension spring is stretched when the alignment wheel 1 abuts against the photovoltaic module 9. Specifically, the tension spring is connected between the end face of the first piston rod 22 passing through the second mounting plate 62 and the second side of the second mounting plate 62.

[0059] It should be noted that the above embodiments are only used to illustrate the principle of this utility model and are not intended to limit the scope of protection of this utility model. Without departing from the principle of this utility model, those skilled in the art can adjust the above embodiments so that this utility model can be applied to more specific application scenarios.

[0060] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A polarization correction device for a photovoltaic module (9), characterized in that, The correction device includes: Correcting wheel (1); The first transfer mechanism (2) includes a moving part; The elastic structure (3) is used to connect the moving part to the correction wheel (1) through the elastic structure (3). The first transfer mechanism (2) is configured to drive the correction wheel (1) to move and make it abut against the side of the photovoltaic module (9) so as to force the elastic structure (3) to deform. A position detection component (4) is configured to detect the actual position of the correction wheel (1) so as to determine the deviation size of the photovoltaic module (9) based on the actual position and the preset position of the correction wheel (1).

2. The correction device for photovoltaic modules (9) according to claim 1, characterized in that, The position detection component (4) is configured as a magnetic scale, which includes a magnetic scale (41) and a reading head (42) movably connected to the magnetic scale (41). The reading head (42) is fixedly connected to the correction wheel (1).

3. The correction device for photovoltaic modules (9) according to claim 2, characterized in that, The position detection component (4) also includes a connecting rod (5), and the correction wheel (1) and the reading head (42) are fixedly connected through the connecting rod (5).

4. The correction device for photovoltaic modules (9) according to claim 1, characterized in that, The first transfer mechanism (2) is configured as a first cylinder, which includes a first cylinder body (21) and a first piston rod (22). The first piston rod (22) is movably connected to the first cylinder body (21), and the moving part is configured as the first piston rod (22).

5. The correction device for photovoltaic modules (9) according to claim 4, characterized in that, The elastic structure (3) is sleeved outside the first piston rod (22); and / or The first transfer mechanism (2) is configured as a stroke adjustable cylinder.

6. The correction device for a photovoltaic module (9) according to claim 4, characterized in that, The correction device also includes a mounting frame (6), the correction wheel (1) is fixedly connected to the mounting frame (6), one end of the elastic structure (3) is fixedly connected to the mounting frame (6), and the other end is fixedly connected to the first piston rod (22). The first piston rod (22) passes through the mounting frame (6) and is movably connected to the mounting frame (6).

7. The correction device for photovoltaic modules (9) according to claim 1, characterized in that, The correction device also includes a controller, which is communicatively connected to the position detection component (4). The controller is used to determine the deviation size of the photovoltaic module (9) based on the actual position and the preset position.

8. The correction device for photovoltaic modules (9) according to claim 1, characterized in that, The correction device also includes a reference wheel (7), which is adapted to be disposed on opposite sides of the photovoltaic module (9) in a one-to-one correspondence with the correction wheel (1).

9. The correction device for a photovoltaic module (9) according to claim 1, characterized in that, The correction wheel (1) includes an axle (11) and a wheel body (12). The wheel body (12) is sleeved on the axle (11) and rotatably connected to the axle (11). The wheel body (12) is adapted to abut against the side of the photovoltaic module (9).

10. The correction device for a photovoltaic module (9) according to claim 1, characterized in that, The correction device further includes a second transfer mechanism (8), which is connected to the moving part and configured to drive the correction wheel (1) to move along the thickness direction of the photovoltaic module (9); and / or The elastic structure (3) is configured as a compression spring.

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